SegmentExtractingNoder.h

/**********************************************************************
 *
 * GEOS - Geometry Engine Open Source
 * http://geos.osgeo.org
 *
 * Copyright (C) 2021 Paul Ramsey <pramsey@cleverelephant.ca>
 *
 * This is free software; you can redistribute and/or modify it under
 * the terms of the GNU Lesser General Public Licence as published
 * by the Free Software Foundation.
 * See the COPYING file for more information.
 *
 **********************************************************************/
 
#pragma once
 
#include <geos/export.h>
 
#include <geos/geom/Coordinate.h>
#include <geos/geom/Envelope.h>
#include <geos/noding/Noder.h>
#include <geos/noding/snap/SnappingPointIndex.h>
 
 
// Forward declarations
namespace geos {
namespace geom {
class Envelope;
class PrecisionModel;
}
namespace noding {
class SegmentString;
}
}
 
namespace geos {
namespace noding { // geos::noding
 
class GEOS_DLL SegmentExtractingNoder : public Noder {
 
private:
 
    std::vector<std::unique_ptr<SegmentString>> segList;
 
    void extractSegments(
        const std::vector<SegmentString*>& inputSegs,
        std::vector<std::unique_ptr<SegmentString>>& outputSegs);
 
    void extractSegments(
        const SegmentString* ss,
        std::vector<std::unique_ptr<SegmentString>>& outputSegs);
 
 
public:
 
    SegmentExtractingNoder() = default;
 
    void computeNodes(const std::vector<SegmentString*>& segStrings) override;
 
    std::vector<std::unique_ptr<SegmentString>> getNodedSubstrings() override;
 
    // Declare type as noncopyable
    SegmentExtractingNoder(SegmentExtractingNoder const&) = delete;
    SegmentExtractingNoder& operator=(SegmentExtractingNoder const&) = delete;
 
};
 
 
} // namespace geos::noding
} // namespace geos